Pipette tip, pipette device, and combination of pipette tip and pipette device
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United States of America Patent
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Aug 16, 2016
Grant Date -
Oct 19, 2006
app pub date -
Oct 11, 2005
filing date -
Apr 16, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pipette device has a coupling stud on which a pipette tip can be stuck in a slipping-on direction for coupling. The coupling stud has an adjustable prestress member that can be adjusted into a prestress state and a release state via an actuation device which is provided in the coupling stud. The pipette tip has an axial stop which interacts with a counter-stop of the coupling stud in an axial coupling position of the pipette tip. The prestress member in its prestress state acts upon a working surface of the stuck-on pipette tip having a surface component of the pipette tip, which extends radially inward, turned away from the stuck on direction, in such a way that it abuts sealingly on the working surface, and prestresses the pipette tip on the pipette unit into the axial coupling position. The prestress member, in its releasing state, substantially releases the working surface of the pipette tip (101).
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